The use of information technology and data mining techniques in the detection of money laundering and terrorist financing is discussed. Import-export information can be used to improve financial transaction security. Law enforcement agencies have focused on money laundering activities facilitated through transactions in the financial service sectors. The use of international trade to move money, undetected, from one country to another is one of the techniques used to circumvent government scrutiny. Either overvaluing imports or undervaluing exports can achieve this transfer.